Implement the gamepad API in the IPC proxy

content/browser/gamepad/gamepad_test_helpers.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/browser/gamepad/gamepad_test_helpers.h"
+
+#include "base/system_monitor/system_monitor.h"
+#include "content/browser/gamepad/gamepad_service.h"
+
+namespace content {
+
+MockGamepadDataFetcher::MockGamepadDataFetcher(
+    const WebKit::WebGamepads& test_data)
+    : test_data_(test_data),
+      read_data_(false, false) {
+}
+
+MockGamepadDataFetcher::~MockGamepadDataFetcher() {
+}
+
+void MockGamepadDataFetcher::GetGamepadData(WebKit::WebGamepads* pads,
+                                            bool devices_changed_hint) {
+  {
+    base::AutoLock lock(lock_);
+    *pads = test_data_;
+  }
+  read_data_.Signal();
+}
+
+void MockGamepadDataFetcher::WaitForDataRead() {
+  return read_data_.Wait();
+}
+
+void MockGamepadDataFetcher::SetTestData(const WebKit::WebGamepads& new_data) {
+  base::AutoLock lock(lock_);
+  test_data_ = new_data;
+}
+
+GamepadTestHelper::GamepadTestHelper() {
+#if defined(OS_MACOSX)
+  base::SystemMonitor::AllocateSystemIOPorts();
+#endif
+  system_monitor_.reset(new base::SystemMonitor);
+}
+
+GamepadTestHelper::~GamepadTestHelper() {
+}
+
+GamepadServiceTestConstructor::GamepadServiceTestConstructor(
+    const WebKit::WebGamepads& test_data) {
+  data_fetcher_ = new MockGamepadDataFetcher(test_data);
+  gamepad_service_ =
+      new GamepadService(scoped_ptr<GamepadDataFetcher>(data_fetcher_));
+}
+
+GamepadServiceTestConstructor::~GamepadServiceTestConstructor() {
+  delete gamepad_service_;
+}
+
+}  // namespace content